The Wholesale Price Index-based inflation rate in March was marginally higher at (-)0.91 per cent in February. In March last year, it was (-)2.33 per cent.
This is the 17th straight month since November 2014 when deflationary pressure persisted.
Food inflation stood at 3.73 per cent in March compared with 3.35 per cent in February, showed official data released today.
Inflation rate for vegetables came in at (-)2.26 per cent in March, while for cereals and pulses it was at 2.47 per cent and 34.45 per cent respectively.
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"Prices of cereals have shown some escalation in March and with summer season setting in there will be pressure on vegetable/fruit prices to rise. As a result, WPI inflation is expected to move into positive territory next month but will remain in low single digit in the foreseeable future," said Sunil Kumar Sinha, Principal Economist, India Ratings.
Onion and fruits saw easing of prices, with these sub-indices falling by 17.65 per cent and 2.13 per cent, respectively.
"Since the government has shown its commitment to support industry and considering that recent RBI policy stance to kick-start investment and credit cycle can have positive impact on India's economy in the coming months, WPI is likely to move upwards," Assocham President Sunil Kanoria said.
Pulses have shown upward price pressure continuously for the past six months and policymakers should check and address this issue through supply side responses, Assocham said.
The Reserve Bank mainly looks at retail inflation data while firming up its monetary policy stance. Retail inflation in March fell to a six-month low of 4.83 per cent.
RBI earlier this month cut the key policy rate by 0.25 per cent and projected retail inflation to be around 5 per cent this fiscal.
It had said there were uncertainties over unseasonal rains, the likely spatial and temporal distribution of the monsoon, the low reservoir levels by historical averages, and the strength of the recent upturn in commodity prices, especially oil.